Square U Bolts are used heavily in building and construction. The u, or bent, shape of the bolt keeps it firmly in place, adding security and stability to the join. Square U Bolts are used as framing fasteners and anchors for foundations and roofs, pipe and conduit holders and bolts for motor and engine shaft components.

Torqbolt has been manufacturing and fabricating U-Bolts, Custom U-Bolts, Coated U-Bolts, Anchor U-Bolts, Specialty Bolts, Eye-Bolts, J-Bolts, Stud Bolts, U-Bolt Plates and supplying fasteners.We take pride in our dedication to efficiency and would be pleased to support all of your fastener needs.

Our Sales Network

To buy Square U Bolts At best price & urgent delivery please mail to order@torqbolt.com , As we have Our Dealer, distributors & direct sales representatives in below countries who will help you to buy Square U Bolts & will resolve your queries

Square U Bolts Useful Information

Torqbolt has years of experience as a leading distributor and manufacturer of high quality Square U Bolts. We work with the top manufacturers in the industry and maintain an extensive inventory of Square U Bolts to provide our clients with fast delivery of their products. Torqbolt also offers cutting, chamfering, coating and finishing services to meet your specific requirements. Our staff is committed to the highest customer service and will work with you to assist with the selection of the right product every time, with quick, on-time delivery.

Standard U Bolt Size Chart

SIZE

Diameter

Inside Width

Inside Length

Thread

Part #’s

Part #’s

Part #’s

Part #’s

Our “A”

Our “C”

Our “B”

Our “T”

Zinc plated

Galvanized

304 Stainless steel

316 Stainless steel

1/4 x 1/2

1/4″

15/16″

1 3/4″

1″

UB0250050

UBGA0250050

UBSS0250050

UB3S0250050

1/4 x 3/4

1/4″

1 1/8″

2″

1 1/8″

UB0250075

UBGA0250075

UBSS0250075

UB3S0250075

1/4 x 1

1/4″

1 3/8″

2 1/4″

1 1/8″

UB0250100

UBGA0250100

UBSS0250100

UB3S0250100

1/4 x 1 1/4

1/4″

1 3/4″

2 3/4″

1 1/8″

UB0250125

UBGA0250125

UBSS0250125

UB3S0250125

1/4 x 1 1/2

1/4″

2″

3″

1 1/4″

UB0250150

UBGA0250150

UBSS0250150

UB3S0250150

1/4 x 2

1/4″

2 7/16″

3 1/2″

1 1/2″

UB0250200

UBGA0250200

UBSS0250200

UB3S0250200

5/16 x 1/2

5/16″

15/16″

1 3/4″

1″

UB0310050

UBGA0310050

UBSS0310050

UB3S0310050

5/16 x 3/4

5/16″

1 1/8″

2″

1 1/8″

UB0310075

UBGA0310075

UBSS0310075

UB3S0310075

5/16 x 1

5/16″

1 3/8″

2 7/16″

1 1/8″

UB0310100

UBGA0310100

UBSS0310100

UB3S0310100

5/16 x 1 1/4

5/16″

1 3/4″

2 3/4″

1 1/8″

UB0310125

UBGA0310125

UBSS0310125

UB3S0310125

5/16 x 1 1/2

5/16″

2″

3″

1 1/8″

UB0310150

UBGA0310150

UBSS0310150

UB3S0310150

5/16 x 2

5/16″

2 7/16″

3 1/2″

1 1/2″

UB0310200

UBGA0310200

UBSS0310200

UB3S0310200

3/8 x 1/2

3/8″

15/16″

1 3/4″

1″

UB0370050

UBGA0370050

UBSS0370050

UB3S0370050

3/8 x 3/4

3/8″

1 1/8″

2″

1 1/8″

UB0370075

UBGA0370075

UBSS0370075

UB3S0370075

3/8 x 1

3/8″

1 3/8″

2 7/16″

1 1/8″

UB0370100

UBGA0370100

UBSS0370100

UB3S0370100

3/8 x 1 1/4

3/8″

1 3/4″

2 3/4″

1 1/4″

UB0370125

UBGA0370125

UBSS0370125

UB3S0370125

3/8 x 1 1/2

3/8″

2″

3″

1 1/4″

UB0370150

UBGA0370150

UBSS0370150

UB3S0370150

3/8 x 2

3/8″

2 7/16″

3 5/8″

1 3/4″

UB0370200

UBGA0370200

UBSS0370200

UB3S0370200

3/8 x 2 1/2

3/8″

3″

4 1/8″

2″

UB0370250

UBGA0370250

UBSS0370250

UB3S0370250

3/8 x 3

3/8″

3 9/16″

4 3/4″

2″

UB0370300

UBGA0370300

UBSS0370300

UB3S0370300

3/8 x 4

3/8″

4 9/16″

5 3/4″

2″

UB0370400

UBGA0370400

UBSS0370400

UB3S0370400

3/8 x 5

3/8″

5 9/16″

7″

2″

UB0370500

UBGA0370500

UBSS0370500

UB3S0370500

3/8 x 6

3/8″

6 5/8″

8″

3″

UB0370600

UBGA0370600

UBSS0370600

UB3S0370600

3/8 x 8

3/8″

8 3/4″

10 1/4″

3″

UB0370800

UBGA0370800

UBSS0370800

UB3S0370800

1/2 x 1 1/2

1/2″

2″

3″

1 1/4″

UB0500150

UBGA0500150

UBSS0500150

UB3S0500150

1/2 x 2

1/2″

2 7/16″

3 5/8″

1 3/4″

UB0500200

UBGA0500200

UBSS0500200

UB3S0500200

1/2 x 2 1/2

1/2″

3″

4 1/8″

2″

UB0500250

UBGA0500250

UBSS0500250

UB3S0500250

1/2 x 3

1/2″

3 9/16″

4 1/2″

2″

UB0500300

UBGA0500300

UBSS0500300

UB3S0500300

1/2 x 3 1/2

1/2″

4″

5 1/2″

2″

UB0500350

UBGA0500350

UBSS0500350

UB3S0500350

1/2 x 4

1/2″

4 9/16″

5 3/4″

2″

UB0500400

UBGA0500400

UBSS0500400

UB3S0500400

1/2 x 5

1/2″

5 9/16″

6 3/4″

2″

UB0500500

UBGA0500500

UBSS0500500

UB3S0500500

1/2 x 6

1/2″

6 5/8″

8″

3″

UB0500600

UBGA0500600

UBSS0500600

UB3S0500600

1/2 x 8

1/2″

8 3/4″

10 1/4″

3″

UB0500800

UBGA0500800

UBSS0500800

UB3S0500800

1/2 x 10

1/2″

10 7/8″

13″

3″

UB0501000

UBGA0501000

UBSS0501000

UB3S0501000

5/8 x 5

5/8″

5 9/16″

7″

2″

UB0620500

UBGA0620500

UBSS0620500

UB3S0620500

5/8 x 6

5/8″

6 3/4″

8 3/4″

3″

UB0620600

UBGA0620600

UBSS0620600

UB3S0620600

5/8 x 8

5/8″

8 3/4″

10 1/4″

3″

UB0620800

UBGA0620800

UBSS0620800

UB3S0620800

5/8 x 10

5/8″

10 7/8″

13″

3″

UB0621000

UBGA0621000

UBSS0621000

UB3S0621000

3/4 x 8

3/4″

8 3/4″

10 1/4″

3″

UB0750800

UBGA0750800

UBSS0750800

UB3S0750800

3/4 x 10

3/4″

10 7/8″

13″

3″

UB0751000

UBGA0751000

UBSS0751000

UB3S0751000

3/4 x 12

3/4″

12 7/8″

15″

3 3/4″

UB0751200

UBGA0751200

UBSS0751200

UB3S0751200

Industry Focus

Agricultural

Automotive

Construction

Electronics

Food Processing

Heavy Machinery

Marine

Mining

Nuclear

Oil, Gas, Petroleum

Energy

Medical

Transportation

Intended Application

Boilers

Bridges

Construction Machinery

Engineered Plumbing

Engines

Hydraulics

Impellers

Jewelry

Machine Tools

Water Treatment Plants

Materials (Metals)

Alloy Steels

Aluminum

Beryllium

Brass

Silicone Bronze

Carbon Steel

Magnesium

Molybdenum

Monel

Inconel

Nickel

Stainless Steel

Tin

Titanium

Materials (Plastic Polymers)

Various PlasticsNylon

Standard

BritishEnglishMetric

Hardening Specification

Heat Treated to any custom Specification

Fastener Types

*We can manufacture many custom fasteners to your specification*

Dowels & Pins

Hose Couplings

Nails

Rivets

Screws

Shackles

Shaft Couplings

Studs

Bolt Types

*We can manufacture many custom bolts to your specification*

Anchor

Bent

Eye

Hook

J

U

Elevator

Lag

T-Handle

T-Slot

Flange

Carriage

Bent

Plow

Bolt & Screw Head Types

*We can manufacture many custom head types to your specification*

Binding

Button

Fillister

Flat

Flat Undercut

Headless

Hexagon

Indented Hexagon

One-Way

Oval

Pan

Pentagon

Phillips

Round

Shoulder

Square Shoulder

Socket

Trimmed Hex

Truss

12-Point

Thread Types

*We can manufacture many custom thread types to your specification*

ACME

Drywall

Machine

Self-Tapping

Self-Drilling Drive Screws

Self-Drilling

Type 17

Type 23

Type 25

Type A

Type AB

Type B

Type F

Wood

UNC

UNF

Grades

*We can manufacture to many custom grades meeting your specification*

2

5

8

8.8

10.9

12.9

Bolt & Screw Drive Types

*We can manufacture many custom drive types to your specification*

Combination

Hex/Hexagonal

Phillips

Six Lobe

Slotted

Socket

Square

Tamper Resistant

Torx

Nut Types

*We can manufacture many custom nut types to your specification*

2-Way

Anchor

Cap

Castle

Conical

Coupling

Finished Hex

Flex Lock

Heavy Hex

Hex Flange

Hex Jam

Keps

Nylon Insert

Nylon Patch

Nylon Pellet

Semi-Finished Hex

Serrated Hex Flange

Slotted Hex

Square

Thumb

Top Lock

Wing

Finish

Automotive

Black Oxide

Brass Plated

Cadmium

Chromate

Chrome

Color Coated

Galvanized

Nickel Plated

Painted

Phosphate

Polished

PTFE

Silver Plated

Zinc Plated

Industry Standards

ANSI – American National Standards Institute

ANSI B 18.2.4 2M

ANSI B 28.2.4 1M

DIN

DIN 934

DIN 970

UTS – Unified Thread Standard

UNC

UNF

UNEF

UNS

NPT

NPTF

ISO – International Organization for Standardization

ISO 4032

ISO 4033

Production Volume

Min

Max

$60

Low Volume to High Volume

Several Million units

Diameter

Min

Max

M2

#4

M80

4 in

Square U Bolts Packaging

Packaging

In generally, If you have no special requirement, we will use the mass packing (bag carbon tray). If you want to do the special packing, please advise us the specific details, pictures or design.

Shipping

In generally, our customer often request to delivery by express, plane or sea. Any other better way will be also accepted well.

For a standard or special fastener, we are at your service! We specialize in corrosion-resistant components, those made from stainless steel and non-ferrous alloys. Look to TorqBolt for fine products and reliable information. Contact us today to learn more about our corrosion-resistant fasteners.